Supreme (Danner) ASP14525 Diaphragm Replacement Kit for AP-20 Aquarium Air Pump
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<b>[Product Information]</b><br>
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<li>Supreme diaphragm replacement kit is designed to fit aquarium air pump model AP-20</li>
<li>Diaphragm edge wall must be inserted in to the diaphragm retainer with the proper side facing into the groove in the retainer</li>
<li>The deeper side of the diaphragm will always face into the retainer groove</li>
<li>This kit includes diaphragms, flapper valves, plastic slip washers and bottom pressure chamber gasket</li>
<li>Some models also include rubber plug sets to seal the flapper valve housing</li>
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